CN111730082A - Pneumatic automatic locking chuck - Google Patents
Pneumatic automatic locking chuck Download PDFInfo
- Publication number
- CN111730082A CN111730082A CN202010747748.3A CN202010747748A CN111730082A CN 111730082 A CN111730082 A CN 111730082A CN 202010747748 A CN202010747748 A CN 202010747748A CN 111730082 A CN111730082 A CN 111730082A
- Authority
- CN
- China
- Prior art keywords
- gear
- chuck
- jaw
- ring
- driving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 230000000712 assembly Effects 0.000 description 11
- 238000000429 assembly Methods 0.000 description 11
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/16—Chucks with simultaneously-acting jaws, whether or not also individually adjustable moving radially
- B23B31/16083—Jaws movement actuated by gears and racks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Manipulator (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention discloses a pneumatic automatic locking chuck, which comprises a chuck seat; the inner gear ring is rotatably arranged on the chuck seat, and a first gear tooth is formed on the inner wall of the inner gear ring; the outer gear ring seat is fixed at the center of the chuck seat; the outer gear ring is rotatably arranged on the outer gear ring seat, and second gear teeth are formed on the outer wall of the outer gear ring; the first driving component is used for driving the inner gear ring to rotate; the first jaw assembly comprises two first jaws arranged oppositely, two first jaw racks and two first transmission gears, and the first transmission gears are meshed with first gear teeth of the inner gear ring; the second driving component is used for driving the outer gear ring to rotate; and the second jaw assembly comprises two second jaws which are oppositely arranged, two second jaw racks and two second transmission gears, and the second transmission gears are meshed with the second gear teeth of the outer toothed ring. The pneumatic automatic locking chuck provided by the invention can automatically center and lock a workpiece, and has the advantages of good stability and reliability and long service life.
Description
Technical Field
The invention relates to the technical field of laser processing, in particular to a pneumatic automatic locking chuck.
Background
The pneumatic automatic locking chuck is used as a machine tool accessory and is suitable for laser equipment. Common pneumatic automatic locking chuck in the existing market is a sliding plate locking structure, the stability is poor, the service life is short, and the market requirement is difficult to meet.
Disclosure of Invention
The invention aims to provide a pneumatic automatic locking chuck which can automatically center and lock a workpiece and has good stability and reliability and long service life.
The invention discloses a pneumatic automatic locking chuck, which adopts the technical scheme that:
a pneumatic automatic locking chuck comprises a chuck seat; the inner gear ring is rotatably arranged on the chuck seat, and a first gear tooth is formed on the inner wall of the inner gear ring; the outer gear ring seat is fixed at the center of the chuck seat; the outer gear ring is rotatably arranged on the outer gear ring seat, and second gear teeth are formed on the outer wall of the outer gear ring; the first driving component is used for driving the inner gear ring to rotate; the first jaw assembly comprises two first jaws which are oppositely arranged, two first jaw racks which are respectively fixed on one first jaw, and two first transmission gears which are respectively meshed with one first jaw rack, wherein the first transmission gears are meshed with first gear teeth of the inner gear ring, one first jaw and one first jaw rack are positioned on one side of one first transmission gear, and the other first jaw rack are positioned on the opposite side of the other first transmission gear; the second driving component is used for driving the outer gear ring to rotate; and the second jaw assembly comprises two second jaws which are oppositely arranged, two second jaw racks which are respectively fixed on one second jaw, and two second transmission gears which are respectively meshed with one second jaw rack, wherein the second transmission gears are meshed with second gear teeth of the outer gear ring, one second jaw and one second jaw rack are positioned on one side of one second transmission gear, and the other second jaw rack are positioned on the opposite side of the other second transmission gear.
Preferably, the first driving assembly is arranged between the inner gear ring and the outer gear ring, and comprises a first cylinder, a first rack arranged on the first cylinder, and a first driving gear meshed with the first rack, wherein the first driving gear is meshed with first gear teeth of the inner gear ring.
Preferably, the first driving assemblies are arranged in two groups, the two groups of first driving assemblies are respectively arranged on a circle with the center of the inner gear ring as the center of the circle, and the two groups of first driving assemblies are reversely arranged on two opposite sides of the inner gear ring.
Preferably, the first gear teeth are distributed at intervals on two opposite sides of the inner wall of the inner gear ring.
Preferably, the second driving assembly is disposed between the inner gear ring and the outer gear ring, and includes a second cylinder, a second rack disposed on the second cylinder, and a second driving gear engaged with the second rack, and the second driving gear is engaged with the second gear of the outer gear ring.
Preferably, the two groups of second driving assemblies are arranged on a circle with the center of the outer gear ring as the center of the circle, and the two groups of second driving assemblies are reversely arranged on two opposite sides of the outer gear ring.
Preferably, the second gear teeth are distributed at intervals on two opposite sides of the outer wall of the outer gear ring.
As a preferred scheme, the chuck device also comprises a chuck supporting seat arranged on the chuck seat, and the chuck supporting seat is provided with a cylinder air inlet hole and a cylinder air outlet hole;
the air inlet and exhaust sleeve seat is arranged on the chuck seat and used for communicating the first air cylinder and the second air cylinder, and the air inlet hole and the air exhaust hole of the air cylinder are respectively communicated with the vent holes in the air inlet and exhaust sleeve seat.
Preferably, the chuck support base is arranged on the chuck support fixing base and is connected with the frame through the chuck support fixing base.
The pneumatic automatic locking chuck disclosed by the invention has the beneficial effects that: the first driving assembly drives the inner gear ring to rotate, the rotating inner gear ring enables the two first transmission gears to rotate along with the inner gear ring, the corresponding two first clamping jaw racks move oppositely or back to back, and then the two first clamping jaws which are oppositely arranged move oppositely or back to back. Meanwhile, the second driving assembly drives the outer gear ring to rotate, the rotating outer gear ring enables the two second transmission gears to rotate along with the outer gear ring, the corresponding two second clamping jaw racks move oppositely or back to back, and then the two oppositely arranged second clamping jaws move oppositely or back to back, so that the requirement of automatically centering and locking the workpiece is met. The transmission process is the transmission of the gear and the rack, and the transmission process has good stability and reliability and long service life.
Drawings
Fig. 1 is a schematic structural view of the pneumatic automatic locking chuck of the present invention.
Fig. 2 is a side cross-sectional view of the pneumatic automatic locking chuck of the present invention.
Fig. 3 is a front cross-sectional view of the pneumatic automatic locking chuck of the present invention.
Detailed Description
The invention will be further elucidated and described with reference to the embodiments and drawings of the specification:
referring to fig. 1 and 3, an automatic pneumatic locking chuck includes a chuck base 10, an inner ring gear 20, an outer ring gear base 30, an outer ring gear 40, a first driving assembly 50, a first jaw assembly 60, a second driving assembly 70, and a second jaw assembly 80.
The inner ring gear 20 is rotatably disposed on the chuck base 10. Wherein the inner wall of the inner ring gear 20 is formed with first gear teeth 21. The first drive assembly 50 is used to drive the inner ring gear 20 in rotation.
The first jaw assembly 60 includes two first jaws 61 disposed opposite to each other, two first jaw racks 62 fixed to the first jaws 61, respectively, and two first transmission gears 63 engaged with the first jaw racks 62, respectively. The first transmission gear 63 is engaged with the first gear teeth 21 of the inner ring gear 20. One of the first jaws 61 and the first jaw rack 62 is located on one side of one of the first transmission gears 63, and the other of the first jaws 61 and the first jaw rack 62 is located on the opposite side of the other of the first transmission gears 63, so that the moving directions of the two first jaws 61 are opposite or reverse.
The external gear ring holder 30 is fixed to the center of the chuck holder 10. The outer ring gear 40 is rotatably disposed on the outer ring gear base 30, and second gear teeth 41 are formed on an outer wall of the outer ring gear 40. The second drive assembly 70 is used to drive the outer ring gear 40 in rotation.
The second jaw assembly 80 includes two second jaws 81 disposed opposite to each other, two second jaw racks 82 fixed to one second jaw 81, respectively, and two second transmission gears 83 engaged with one second jaw rack 82, respectively. The second transmission gear 83 meshes with the second gear teeth 41 of the outer ring gear 40. One of the second jaws 81 and the second jaw rack 82 is located on one side of one of the second transfer gears 83, and the other of the second jaws 81 and the second jaw rack 82 is located on the opposite side of the other of the second transfer gears 83.
The implementation process comprises the following steps: the first driving assembly 50 drives the inner gear ring 20 to rotate, the rotating inner gear ring 20 enables the two first transmission gears 63 to rotate along with the inner gear ring, the two corresponding first jaw racks 62 move oppositely or back to back, and then the two first jaws 61 which are oppositely arranged move oppositely or back to back. Meanwhile, the second driving assembly 70 drives the outer toothed ring 40 to rotate, the rotating outer toothed ring 40 enables the two second transmission gears 83 to rotate along with the outer toothed ring, the two corresponding second jaw racks 82 move oppositely or oppositely, and then the two oppositely arranged second jaws 81 move oppositely or oppositely, so that the requirement of automatically centering and locking the workpiece is met.
The first drive assembly 50 is disposed between the inner ring gear 20 and the outer ring gear 40. The first driving assembly 50 includes a first cylinder 51, a first rack 52 provided to the first cylinder 51, and a first driving gear 53 engaged with the first rack 52, the first driving gear 53 being engaged with the first gear 21 of the inner ring gear 20.
The first driving assemblies 50 are provided in two sets, the two sets of first driving assemblies 50 are respectively arranged on a circle with the center of the inner ring gear 20 as the center of the circle, and the two sets of first driving assemblies 50 are reversely arranged on two opposite sides of the inner ring gear 20. The first teeth 21 are spaced apart on opposite sides of the inner wall of the inner ring gear 20, and the first teeth 21 on each side correspond to a first drive assembly 50. When one first driving assembly 50 drives the inner gear ring 20 to rotate forwards or backwards, the other first driving assembly 50 also drives the inner gear ring 20 to rotate forwards or backwards correspondingly, so that the clamping reliability of the clamping jaws is improved.
The second drive assembly 70 is disposed between the inner ring gear 20 and the outer ring gear 40. The second driving assembly 70 includes a second cylinder 71, a second rack 72 disposed on the second cylinder 71, and a second driving gear 73 engaged with the second rack 72, wherein the second driving gear 73 is engaged with the second gear 41 of the outer ring gear 40.
The second driving assemblies 70 are provided in two sets, the two sets of second driving assemblies 70 are respectively arranged on a circle with the center of the outer gear ring 40 as the center of the circle, and the two sets of second driving assemblies 70 are reversely arranged on two opposite sides of the outer gear ring 40. The second gear teeth 41 are spaced apart on opposite sides of the outer wall of the outer ring gear 40, and the second gear teeth 41 on each side correspond to a second drive assembly 70. When one second driving assembly 70 drives the outer gear ring 40 to rotate forwards or backwards, the other second driving assembly 70 also drives the outer gear ring 40 to rotate forwards or backwards correspondingly, so that the clamping reliability of the clamping jaws is improved.
Referring to fig. 1 and 2, the pneumatic automatic locking chuck further includes a chuck support 11 disposed on the chuck base 10, and the chuck support 11 is provided with a cylinder inlet 111 and a cylinder outlet 112. The pneumatic automatic locking chuck also comprises an air inlet and outlet sleeve seat 12 which is arranged on the chuck seat 10 and is used for communicating the first air cylinder 51 and the second air cylinder 71. The cylinder inlet hole 111 and the cylinder outlet hole 112 are respectively communicated with the vent holes on the air inlet and outlet sleeve seat 12.
The chuck supporting seat 11 is arranged on the chuck supporting fixed seat 13 and is connected with the frame through the chuck supporting fixed seat 13. The motor transmission gear 14 is arranged at one end of the connecting shaft sleeve 16 through the gear support sleeve 15, and the chuck seat 10 is arranged at the other end of the connecting shaft sleeve 16.
According to the pneumatic automatic locking chuck disclosed by the invention, the first cylinder 51 drives the first rack 52 to move so as to drive the first driving gear 53 meshed with the first rack 52, the first driving gear 53 rotates and forces the inner gear ring 20 to rotate along with the first rack, the rotating inner gear ring 20 enables the two first transmission gears 63 to rotate along with the first rack, the two corresponding first jaw racks 62 move oppositely or oppositely, and then the two oppositely arranged first jaws 61 move oppositely or oppositely. Meanwhile, the second cylinder 71 drives the second rack 72 to move, so as to drive the second driving gear 73 engaged with the second rack 72, the second driving gear 73 rotates and forces the outer toothed ring 40 to rotate, the rotating outer toothed ring 40 enables the two second transmission gears 83 to rotate, the two corresponding second jaw racks 82 move oppositely or oppositely, and the two oppositely arranged second jaws 81 move oppositely or oppositely. Therefore, the requirement of automatically centering and locking the workpiece is met, the transmission process is the transmission of the gear and the rack, the stability and the reliability are good, and the service life is long.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. A pneumatic automatic locking chuck is characterized by comprising
A chuck base;
the inner gear ring is rotatably arranged on the chuck seat, and a first gear tooth is formed on the inner wall of the inner gear ring;
the outer gear ring seat is fixed at the center of the chuck seat;
the outer gear ring is rotatably arranged on the outer gear ring seat, and second gear teeth are formed on the outer wall of the outer gear ring;
the first driving component is used for driving the inner gear ring to rotate;
the first jaw assembly comprises two first jaws which are oppositely arranged, two first jaw racks which are respectively fixed on one first jaw, and two first transmission gears which are respectively meshed with one first jaw rack, wherein the first transmission gears are meshed with first gear teeth of the inner gear ring, one first jaw and one first jaw rack are positioned on one side of one first transmission gear, and the other first jaw rack are positioned on the opposite side of the other first transmission gear;
the second driving component is used for driving the outer gear ring to rotate;
and the second jaw assembly comprises two second jaws which are oppositely arranged, two second jaw racks which are respectively fixed on one second jaw, and two second transmission gears which are respectively meshed with one second jaw rack, wherein the second transmission gears are meshed with second gear teeth of the outer gear ring, one second jaw and one second jaw rack are positioned on one side of one second transmission gear, and the other second jaw rack are positioned on the opposite side of the other second transmission gear.
2. The pneumatic automatic locking chuck of claim 1, wherein the first driving assembly is disposed between the inner ring gear and the outer ring gear and comprises a first cylinder, a first rack gear disposed in the first cylinder, and a first driving gear engaged with the first rack gear, the first driving gear being engaged with the first gear teeth of the inner ring gear.
3. The pneumatic automatic locking chuck as claimed in claim 2, wherein the first driving means are provided in two sets, two sets of the first driving means are provided on a circle centered at the center of the inner ring gear, and two sets of the first driving means are oppositely arranged on opposite sides of the inner ring gear.
4. The pneumatic automatic lock chuck of claim 3, wherein the first teeth are spaced on opposite sides of the inner wall of the inner ring gear.
5. The pneumatic automatic locking chuck as claimed in claim 1, wherein the second driving assembly is disposed between the inner ring gear and the outer ring gear, and includes a second cylinder, a second rack gear disposed in the second cylinder, and a second driving gear engaged with the second rack gear, the second driving gear being engaged with the second gear teeth of the outer ring gear.
6. The pneumatic automatic locking chuck of claim 5, wherein there are two sets of said second driving means, two sets of said second driving means being disposed on a circle centered on the center of the outer ring gear, and two sets of said second driving means being oppositely disposed on opposite sides of the outer ring gear.
7. The pneumatic automatic locking chuck of claim 6, wherein said second teeth are spaced on opposite sides of the outer wall of the outer race.
8. The pneumatic automatic locking chuck according to any one of claims 1 to 6, further comprising a chuck support base provided on the chuck base, wherein the chuck support base is provided with a cylinder inlet hole and a cylinder outlet hole;
the air inlet and exhaust sleeve seat is arranged on the chuck seat and used for communicating the first air cylinder and the second air cylinder, and the air inlet hole and the air exhaust hole of the air cylinder are respectively communicated with the vent holes in the air inlet and exhaust sleeve seat.
9. The pneumatic automatic locking chuck of claim 8, wherein said chuck support base is mounted on a chuck support mounting base and is connected to the housing through said chuck support mounting base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010747748.3A CN111730082B (en) | 2020-07-28 | 2020-07-28 | Pneumatic automatic locking chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010747748.3A CN111730082B (en) | 2020-07-28 | 2020-07-28 | Pneumatic automatic locking chuck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111730082A true CN111730082A (en) | 2020-10-02 |
| CN111730082B CN111730082B (en) | 2024-06-25 |
Family
ID=72656531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010747748.3A Active CN111730082B (en) | 2020-07-28 | 2020-07-28 | Pneumatic automatic locking chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111730082B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140284889A1 (en) * | 2011-11-08 | 2014-09-25 | Karl-Josef Esser | Chuck for apparatus for machining a tubular rotating workpiece |
| CN105171313A (en) * | 2015-10-10 | 2015-12-23 | 常州市力源恒机械有限公司 | Electric-driving double-acting full-stroke chuck |
| CN105414585A (en) * | 2016-01-04 | 2016-03-23 | 浙江今跃机械科技开发有限公司 | Chuck and machine tool |
| CN105772771A (en) * | 2016-04-11 | 2016-07-20 | 浙江辛子精工机械股份有限公司 | Precise self-centering chuck suitable for super-large workpieces |
| CN109604658A (en) * | 2019-01-31 | 2019-04-12 | 佛山市宏石激光技术有限公司 | A kind of double acting Self-centering device of chuck |
| CN212704432U (en) * | 2020-07-28 | 2021-03-16 | 东莞市百级激光科技有限公司 | Pneumatic automatic locking chuck |
-
2020
- 2020-07-28 CN CN202010747748.3A patent/CN111730082B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140284889A1 (en) * | 2011-11-08 | 2014-09-25 | Karl-Josef Esser | Chuck for apparatus for machining a tubular rotating workpiece |
| CN105171313A (en) * | 2015-10-10 | 2015-12-23 | 常州市力源恒机械有限公司 | Electric-driving double-acting full-stroke chuck |
| CN105414585A (en) * | 2016-01-04 | 2016-03-23 | 浙江今跃机械科技开发有限公司 | Chuck and machine tool |
| CN105772771A (en) * | 2016-04-11 | 2016-07-20 | 浙江辛子精工机械股份有限公司 | Precise self-centering chuck suitable for super-large workpieces |
| CN109604658A (en) * | 2019-01-31 | 2019-04-12 | 佛山市宏石激光技术有限公司 | A kind of double acting Self-centering device of chuck |
| CN212704432U (en) * | 2020-07-28 | 2021-03-16 | 东莞市百级激光科技有限公司 | Pneumatic automatic locking chuck |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111730082B (en) | 2024-06-25 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210818 Address after: 422915 No. 19, group 16, Wujia village, longxipu Town, Xinshao County, Shaoyang City, Hunan Province Applicant after: Li Zhiwei Address before: Room 104, building 1, 1096 Lianhu Road, Qiaotou town, Dongguan City, Guangdong Province, 523000 Applicant before: Dongguan Baiji Laser Technology Co.,Ltd. |
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| GR01 | Patent grant |